July 21, 2007: “Harry Potter and the Deathly Hallows,” the conclusion of author J.K. Rowling’s long-running series about a boy wizard, is released. It immediately becoming the fast-selling book in history.

Number to Know

15 million: The number of copies of “Harry Potter and the Deathly Hallows” sold in the first 24 hours after the book’s release.

Website of the Day: Pottermore

https://www.pottermore.com

A website focused on the unknown parts of the Harry Potter series and re-telling the story in interactive ways.

Today’s Featured Birthday

Cat Stevens (born Steven Demetre Georgiou; also known as Yusuf Islam), English singer-songwriter, philanthropist and 2014 inductee into the Rock and Roll Hall of Fame, 66.

Daily Quote

“I always knew looking back on my tears would bring me laughter, but I never knew looking back on my laughter would make me cry.” — Cat Steven